Naproxen (Aleve) is a non-selective cyclooxygenase (COX) inhibitor with IC50 of 8.7 ?0.23 mg/kg. It displays anti-inflammatory, antipyretic and analgesic effects and has a neuroprotective role against colchicine-induced cognitive impairment and oxidative stress.
Molecular Weight | 252.24 |
Formula | C14H13NaO3 |
CAS Number | 26159-34-2 |
Solubility (25°C) | Water 70 mg/mL Ethanol 10 mg/mL |
Storage |
Powder -20°C 3 years ; 4°C 2 years In solvent -80°C 6 months ; -20°C 1 month |
Species | Mouse | Rat | Rabbit | Guinea pig | Hamster | Dog |
Weight (kg) | 0.02 | 0.15 | 1.8 | 0.4 | 0.08 | 10 |
Body Surface Area (m2) | 0.007 | 0.025 | 0.15 | 0.05 | 0.02 | 0.5 |
Km factor | 3 | 6 | 12 | 8 | 5 | 20 |
Animal A (mg/kg) = Animal B (mg/kg) multiplied by | Animal B Km |
Animal A Km |
For example, to modify the dose of Compound A used for a mouse (20 mg/kg) to a dose based on the BSA for a rat, multiply 20 mg/kg by the Km factor for a mouse and then divide by the Km factor for a rat. This calculation results in a rat equivalent dose for Compound A of 10 mg/kg.
[2] Yahiya Y Syed. Sumatriptan/Naproxen Sodium: A Review in Migraine
[3] Lily P H Yang. Sumatriptan/naproxen sodium: a review of its use in adult patients with migraine
[4] Catalina Cleves, et al. Sumatriptan/naproxen sodium combination for the treatment of migraine
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